The Waring WCG506TX 3/4 qt. replacement grinding bowl and grinding bowl cover is perfect for grinding spices and hard foods, such as Parmesan and Romano cheeses, hard chocolate, nuts, coffee beans, peppercorns, allspice, celery seed, and mustard seed in, when used in conjunction with your Waring WCG75 Pro Prep commercial chopper grinder. So nothing can escape during the grinding process, the grinding bowl cover is completely closed along the top.